Mechanism for adjusting lifts of paper upon feed-boards.



RI MIEHLE. MECHANISM FOR ADJUSTING LIFTS OF PAPER UPON FEED BOARDS.

APPLICATION FILED FEB. I3. I917- Patented Apr. 15,1919.

2 SHEETS-SHEET I N VIII J II V M R. MIEHLE. I MECHANISM FOR ADJUSTING LIFTS OF PAPER UPON FEED BOARDS.

APPLICATION FILED run. 19w.

' Patented Apr. 15,1919.

2 SHEETS-SHEET 2.

- press or other machinery away from the mechanism which ROBERT MIEHLE, OF CHICAGO, ILLINOIS.

MECHANISM FOR ADJUSTING LIFTS or rArER' UPON. FEED-BOARDS. I

Toall whom it mag concern: v

Be it known that I, ROBERT, MIEHLE, citi zen of the United States, residing at Chicago, in thecounty of Cook and State of Illinois, have invented a certain new and useful Improvement in Mechanism for Adjusting Liftsof Paper upon Feed-Boards, of which the following is a full, clear, concise V and exact description. f 10,

' My invention relates to feed boards such as are employed in'connection with printing V presses, feeding machines, paper folding machines, etc.', and has for its object the provision of means for loadinggplaclng, ad usting and maintaining the lifts in desired posi- V tionsu'pon feed boards. In practising my invention I employ a tray beneath a lift and which tray, together with the lift thereon, is movable along the feed board toward and is to operate upon the sheets.

i In the preferred embodiment of the in vention the tray and the lift thereon are manually moved by the attendant. I- also desirably employ moving .Inechanism the operation of which is caused bythe attendant to move the tray and the lift thereon along the feed board. 'Means areemployed for limiting the extent to which the tray and the lift thereon may movev along the feed board, there being preferably employed automatic means 7 for uncoupling the lift from'the moving-mechanism when the tray has reached either limit of its range of travel toward or away from the printing that isto operate uponthe sheets. fed from the lift, whereby the tray and the lift thereon will not exceed the range within which they may travel in the event of unduly continued application of power to the .movingmechanism.

I will explain my invention more fully by reference to the accompanying drawings showing the preferred embodiment thereof as employed in connection with a feed board of a printing press, though it is to be understoodthat my invention is not to be limited to association with printing presses. In'the drawingsFigure 1 is a side view illustrating a feed board equipped in accordance with the invention; Fig. 2 is a view on a larger scale'of a part of the structure on line 2-2 of Fig. 4 with supporting rollers added; Fig. 3 is a view illustrating some of the parts of the mechanism that is preferably j illustrating a part of rear-part 2 ,0f the feed board is. that .upon

hinged at r 4, the

board. The'shafts' 5, 5

. port the tray.

employed;'Fig. 4 is-a plan view; Fig. 5 jisfja view on line 5-5 of Fig. 4L on alarger scale the structure; andFig. 6 1s a view on a larger scale of apart of the structure as it-appears in Fig. l excepting that a portion of a chain is removed f to show more clearly a detail of construction- Like parts are indicated by similaricharacters of. reference throughout the different figures. In thedrawings I have illustrated a printing cylinder 1 which is associated with the 7 feed board, the frontjpart 20f which is the feeding end thereof from which "thegsheets of paper are delivered singly. The front part 2 of the feedboard itself constitutes if aboard from-which paper is to'be manually -or otherwise fed.

Behind" this feed; board Specification of Letters Patent. -Patentd Apr. 15,1919. Application filed February 13,1917. .SerialNo. 148,44.- 3. i r i portion 2 my mechanism is located. jfThe,

which the lift of paper shownfat 3j'is mainly supported, the sheets being fed from thelift 3 to the front orfeeding portion of the feed board. It is customary or pile of paper board. insections that are feeding end of the, feed board being upon the forward portion and the to form the feed lift supporting portion of the feed boardbemg the rear section thereof. Shafts '5 and 5 "are journaled at the rear end of the feed board and another shaft '6 is j'ournaled at the forward end of the rear section of the feed are journaled in bearings that are'carried by brackets 7 that v are adjustable longitudinally of the feed board and may be clamped in adjusted"pos itions by means of the wing nuts 8. y A plate A or tray 10 is supported uponthe rear section of the feed board jand to the rear of, the feed board 2 proper and is movable longitudinally thereof toward the cylinder- 1. It is apparentv that the rear section 2 fof the feed board need not be continuousbut may be cut awayexcepting at those places where its presence is required-or desiredgto sup As illustrated in Fig. l have provideda large open space 2 between the side margins of' lthe feed-boardwhich enablesthe attendantfthe 'better toreach 1 05 the lift and tray. This feature isof par. 1 .ticular importance in connection with long feed boards forward portions of the feedibo'ardfl where such forward portions thereof would be ordinarilyout" of the fattenolants reach for adjusting "the lift and 1" m d. se r 1.0 r Per ieh. e th 1 bet ee 'thetray-lQ g ost V meeh e to sw ng $11991 a e tray. Thelift of paper'B is partially supported upon this tray and iscontrolled by it, the tray being moved forwardly by the attendant from time to'time properly to position the lift with respect to the cylinder 1. The asy is desirably the li ft maybe firmly clamped in place upon the tray whereby the tray and lift will movetogeth'er when the tray is dth eyl hd h a pin desirably includesa clamp ng h aiher extehdihs hem .r y. i se f a in i' W; he re ft beinoclamped I ehdi w lfl' e' hl cleanly in Fig. 2. 'lhis jjaw ,11 is d 12 so that this'cl'amping "jaw will be automatically nee t eeed PxePe y epge theepep Theme 12.,-'T 1 t; ;rn-,i,s ea re l ne the low r Leeds s finger and 14." wh ch respe iv y the 111.. leye e 1'5 and .16 wh h a 1 ya red se i g t e fieedhoard upon Wh'ch'the ratchet 110.01;

- disposed to LIQWe the} paper,

mejved l b ee'hth tray 1 Wh the elemp i Pe ati th re 7, thrQ glth 1 nefthe. finger .13 n and elh le veete Pla e ne end o gh r (aethe ether- As i lu J "f (t e clamp ng th le eh 5 i higherthe 9f the he e ied by h e the f'. o

,n, the lever "1. th al ep e erhigher hanthe T v. r 1 n it is to beelemped in place the ressesido lnwardly upon the lever l5,*lthe-le e eeee euei tly. win d w t the fact 'i e ilyewiee thath'oth of these iles ri a 'e in".fixedeehnee en'Wit the r he leverQlB and its finger 14: press the d ett e i amninghh fi St' P- heiieteh'et 119 1. whi is 'mehht l lepeh and ca ri d y'the' tr y, being lever Q16 in the position, vIto. which it is This 'rat, het hook is 1 fixedly on .10112 (jenm e i the te i v s 1.8 hat ex ends fr m t s d o the side of the feed board wh re the attendant usually stands. A hand l ve v is hnen'thieletter si efthe e board and is 'rigidly connected with the rod -A$1 1 l 7ll5 e. lin

' the iced hoard with the lever 21,,the attendtent, y n het eg i-th e tehe 'hee Le n the e i' 1h. te'he hlhh ev W e h he leve '2 may move 15 nte en men -W atten ehtdee ree, The attendant ontmueS when thisjflevenhas been depressed snfiiveiei e y' he attenda t names the r t h e k ment with the I provided -wi;th clamping mechanism whereby the lower and ine t. of

upon the frame of mach j other end to the arms v, w he epneeit e dsi 'f a and ,7 that is ha ied i jou nal ea t ng 8 shaft toan extent suflici tly to p is not placed in i 'f gq pg ition to .;engage an h d h desired to permit the t thesame side of;

,alinement with the first continuation thereof,

22 (which is loose upon rod) into engage-- lever 15 to hold it down at the' desired'point. The rod 17 is thereby put .under torsional strain and the clamping bar 11 is firmly applied throughout its length 'tothe portion of the lift beneath it; If, as a .a consequence of the'position to which the lever-15=is finally brought, the lever .16is still further materially depressed, the atten'dantmay again manipulate the lever 21 to'bring another tooth of the ratchet-hook 19 into engagement with; theflever 16." The red 20. '(F- g- 2) s '1 desirably so'jdisposed with respect to theclampingharll asto cooperate therewith in .holdingfthe part of V the lift that is clampedbythejbanthis rod f m ng a be in thenen ear-th ban.

' Cha n 3 re Pnzv'ide eittaehedat h 2 i'eh1'he Mi e and a the 2 i 't re sewe y th tray, these arms also serving to'per f rm e h u ion, in ca rying ut other; feature of my inventionlalter to be specifically described. The bights of these chains are engaged with pulleys 23 mount d freely to rotate npOIi the shafits 5 5 7 When one end to a hand crank sh it is vdesired to w thdnawthe ,traythe hand crank shaft '24; is" tnrned in a proper direction to wind up 2 1 .6 Qhhi l 'npon the ld fl-W he f as I desired; "(The y r erwer ly i pulls ,exented by the chains upon thetray re q l zed in to th c nne n Se th n w th th eli men ehe nlwindi eans 2 I a so pre dee hain '26 Which is attached at one end to a fixed pin '27 and j at the .other-endflto the shaft 24;. The purpose of theohain26 is H I to limit the ektfent to which the shaft 24: maybe turned; in permit-1 ti'ngthe chains 23. to ,unwindwhereby the ex [tent to which the tray. may jbelrnoved; toward the cylinder "The effective cylinder this ,closeiheeifective length of the 1 chain 26 is reduced by catching another suitable link of the chain with the pin 27.

-A new lift may be m y be cures the tray,

ind rany te -"th r" by. nplif l ck in m v nenhd i i tepe itien n l o eeh t lte a v Beore doing this they attendant who is putting np the new liftlse eElimited, in 26gis ad? 4 is stretchedtoeits i any ofthefpress mechanism. When it is not 7 l h y he ei nr e h, th I in t between th 7 a e d of t tr y and heieed 'he e del v th portion of the chain 26 extending to the 'tray beneath the new lift to the desired, eX-

tent, the tray being pulled back without ter al sldewise movement'owing to the equalized pulling efiorts exerted by the chains 23.

Further to guard the tray from sidewise motion as it is being moved longitudinally of the feed boardI provide wings 23 which are carried by the rod 17 and closely approach the feed board. Therear andlower portion of the new lift may, if desired, be clamped in relation to thetray in the manner hitherto described. If desired, another tray vmay be used, in some cases, in alternation w1th the first, or a plurality of trays with lifts thereon may be simultaneously coupled with thedrive chains 32. In order to promote the ease with which the new liftmaybe inserted beneath the tray I desirably slope the rear end 10 of the tray upwardly and renrwardly so as to afford a clearance between the rear endof the tray-and th feed board in which clearance the front end of the new lift may be initiallyreceived. The rod .17 carries rollers 28 that vreach partially across the space or clearance between the rear end-of the tray and the feed board, these rollers riding upon the top of the new lift as it isbeing inserted but not coming into engagement with the new lift until a certain n front portion thereof has passed by the rollers, The tray may carry rollers 28 that roll upon the feed board,

When it is desired to move the tray by movinginechanism I preferably employ'the moving smechanism illustrated which j is inclusive of a hand crank 29 at -the rearof the feedrboard and upon one side thereof, a

' hand crank 30 upon the other side of the feed 7 board and at the front end of the rear sec-" tion thereof, sprocket wheel'sf3l uponthe shafts 5, 5 and 6 and sprocket chains 32 passing about the sprocket wheels, therebeing thus preferably a sprocket chain upon each side of 'thefeed board, the traybeing located between the'drive chains 32 that are thus located not only besidethe feed board but also beside the tray. The upper stretches of the sprocket chainsare suitably coupled with the tray. I have illustrated holding dogs 10 carried by and beside the tray and which are engageab-lewith linksf'of the sprocket chains. The means for="movingthe tray are thus preferably located upon the sides of the tray. As illustrated, these holding dogs are continuations of. the arms'25, these arms beingrotatable'with respect to the rod 17 so that when the chains 23 are wound to pull the tray back, the tray will be uncoupled from the sprocket chains 32.

Any suitable means may be employed for preventing the upper stretches of the sprocket chains 32 from saggin' such for.

example as'the presence of the eed board underneath them and in close proximity thereto, whereby'said dogs and the chains132 of the driving mechanism are maintained board but they also serve 'to position the tray in the establishment of the connection of its dogs 10 with the sprocket chainsof the drivingmcchanism. v c

The turning of either hand crank 2901 30 will cause shafts 5, 5 and 6 to turn.. I also desirably employ step by step mechanism for moving the tray step by step. The step by step mechanism illustrated is foot operated and isinclusive of a ratchet wheel 33 fixed upon shaft 6, an actuating pawl 34 adapted to be adjusted into and out of operative relation with the ratchet wheel 33, and a spring 35 holding the pawl in or out of operatingposition. The spring 35 is carried upon an armj36 mounted to swing about the axis of the shaft 6. The arm 36 is con constitutes a part'o-f a pedal mechanism, the v lOWer end of this link being connected with a treadle 38. A 'sprifng39 presses upwardly upon the treadle to restore it when it is relieved of foot pressure. By alternate pressure upon this treadle and relief of such pressure the link 37 is reciproca-ted to oscillate the arm 36 to actuate the pawl 34 and when this pawl3at isin operativere-lation with the ratchet 33,'the sprocketchains 32 will bei'moved step by step until the tray is moved forwardly tojust the position debackwardly by means of the chains32' the pawl f3-lis moved to the position indicated by dotted lines in Fig. 3 to free it from .the'

ratchet 33 whereupon either of the hand cranks 29 or 30 may beused to turn the shafts 5, V5 and 6' in the reverse direction. r

When the dogs 10 engage the teeth of sprockets 31 p the dogs are automatically pulled out of; engagement with the chains 32 by said sprocket teeth so that said chains cannot move the tray farther forwardly 'or backwardly. There are thus provided autoinn-tic means for discontinuing the travel of the tra'y in either direction in case the chains 32 should'be continued in motion afterthe dogs 10 freach sprocketwheels 31 ,so that the tray cannot be moved back sired. If it is desired to move'fthe tray Y result may also be 6. WVhile the chain 26 prevents the undue,

' gagement with ratchet hooks 19 and 22.

- .40 -tion; whenever of thelfeed board and r by cam rollers 4L1; when cams 40 may tions along the :point in the forward movement of the tray forward movement of the tray, yet, in its absence the automatic uncoupling :of the tray from the. chains would automatically secure this result. 1 .7 1

' A supplemental means for automatically 7 larly described the preferred embodiment of my invention uncoupling the tray from the driving chains 32 may be employed and, as illustrated,"th is supplemental means is in the form of a pan ofEcams {l0 detachably secured to the sides;

which are engaged the trayvis to be lifted out of connection'withthe drive chains, these cam rollers being mounted upon studs 42 that project from the dogs 10 The be mounted in selected posif-eed board to determine the whenv the tray is to be uncoupled from the driving chains wherby the forward movement of the tray may-be adjusted to suit the size of the paper of the pile. -When the point of separation of the'tray and the driving chains has been reached the clamping bar 11 may be released from clamping engagement with the paper. bar 11 may not only be released from enratchet hooks 1'9 and 22 out of engagement with the levers 15 and 16 by hand but this.

accomplished automatically; to which end the studs t2j project laterally beyond the rollers 41 and n position to engage the levers 43, the rear ends of these levers constantly resting upon the studs 42. t The forward ends of the levers are loosely mounted upon the rod 20 but engage adjustable abutments 44 carried by the By this construethe dogs 10 are raised from engagement wlth the drive chains 32 the levers-4:3 are turned, and through the inter- :mediation of the abutments H; turn the ratchet hooks 19. and 22 outof engagement with thelevers 15 and 16. The adjustable abutments 4E4: permit the attendant to regulate the extent of the portion of the lift 1 that maybe .clampedin place by the bar To assure separation of the driving 11. chain from-the dogs 10 when these dogs are elevated to disengage the; tray from the chains the tray may be provided with lugs which extend over the: chains and prevent them from rising as the dogs rise and are separated fromthe chains. 'A torsional spring l6 may be employed to lift the clampbar 11 when the ratchet hooks '19 and 'disengagedfrom the levers 16" and One end of this spring is connected Theother end of this springis in connection withthe adjacent journal casing 18.

While I have employedmanually oper -ated cranks 29 and 30 either. ofwhich may The clamping the paper by moving the end of the lift in fiat adapted to disposition bene I drivlng mechanismfor moving" said tray lon-' supporting-a p ti n dinally ofthe'feed board "step by; step driving mechanism for-movin ,tu inally ra restart be employed for driving the chains 32 I do not wish to be limitedto the form of power employed as it is obvious that other motive power maybe employed to drive one of the shaftsv5 or 6.

' Vhile I have herein shown andparticur I do not wish tobelimited to the precise details ofconstruc'tion shown as changes 7 mayv readily: be made without de- 1 tray longitudinally of the feed board step by step. 7 r r r 2. The combination with a feed board for supporting a lift of sheets; ofa tray. for disposition beneath a lift and movable longitudinally ofthe feed bO'ard;-and step by step: driving mechanism ffor' moving said tray longitudinally of the feed board step by step and located beside thetray.

8. The combination with a" feed board for supporting a lift ofsheets; ofa tray for disposition v gitudinally of the feed bo'ard;'and clampi'ng mechanism'ada-pted to engage the rear form and to clamp the same, andthe tray. together. I V V r I 4'. The combination wi h a feed board for supporting a lift of "sheets; of a tray for disposition, beneath a lift and movable longitudinally of'the feedboard; and clamping mechanism adapted toengage the rear end of the lift and to clamp thesam'e in flat form and the tray together. i

. liftvof sheets; of a tray forbeneath a lift and movable lon- 5. The combinati'n alla feed board for supporting a lift of sheets; of a tray for disposition beneath a lift and movable longitudinally of the feed board ;drivin'g mechanism for moving said tray longitudinally of the feed board ;'.'and clampin'gmechanisin 6. Thecombination with afeed board for supporting ali-ftv of sheets; of a trayfor gitudinally of the feed board step by step; and clamping mechanism for holding sheets of a lift and the tray'together.

I 7 The combination with a feed board for lift of sheets; of'a' tray for disbeneath a lift and moyablelongitusaidtray longisa ls st raa l engage the rear end of thelift in fiat form and to clamp the same and the tray t g he V athfa lift and movable longitudinally of the {feed board step by step tray together.

said tra located beside the tray; and clampingmechanism for holding sheets of a lift and the .8. The combination 'Wlth a feed board for: supportinga lift of sheets; of a tray for disposition beneath a lift and movable longitu dinally .of-the feed board; driving mechanism for moving said tray longitudinallyof the feed board; and coupling mechanism for ,separably coupling, said. tray and driving mechanism and adapted. to be uncoupled at any selected point in the driven movement of said tray. V

9. The combination with a feed board for supporting aliftofsheets :of a tray for interposition between such lift and supported byand movable longitudinally of. the feed board; driving mechanism for moving said tray longitudinally of the feed board; and mechanism for separablycoupling said tray and drivingmechanism and adapted to be uncoupled at any selected point in the driven movement. of said tray. l 1

1 0. The combination With a feed board for supporting a lift of sheets; of a tray for dis position beneath a, liftand movable longitudinally of the feed board drivingmechanism for movingsaid: tray longitudinallyof the feed board; and mechanism for; separa-l 30 My coupling said trayanddriving mechanism and ad pted-to be uncoupled at 7,; any selected point in the driven movement of 11,1 combination with feedboard for supporting lift ofl'sheets ;o fa tray for disposition beneath a lift andfmovable 1on gitudinallyof thefeed board; :stepl'by step ri ii 'g' m is i0 5 ing said my ong d n y. o he f db a l er b step and mechanism for separably coupling id arland dr nglmet d a apt ed to be uncoupled at any selected ,point in the driven mevement ofsa'id tray. l f 7 12. The combinationsith a, feed board for} supporting alift ofsheets; of a, tray for disposition beneaith alift and movable longitudinally 1 of. the feed'board driving mechanism'for moving saidtray longitudinally of the jfeed board and located beside the, tray; and mechanismior. separably coupling said trayand driving mechanism and adapted to be uncoupled at any selected point in the driven movement of said tray.

13. The combination With a feed board for supporting a lift of sheets of a tray for disposition beneath a lift and movable longitudinally of the'vfeed boardystep by step driving mechanism for moving said tray longitudinally of the feed board step by step and located beside the tray; and mechanism. for separably coupling said tray and driving mechanism and adapted to be uncoupled at any selected point in the driven movement of said tray.

14. The combination With a feed board for supporting a lift of sheets; of a tray for interposition between such lift and supported by and movable longitudinaly ofthe feed board; driving mechanism for moving said tray longitudinally of the feed board; mechanism for separably coupling said tray and driving mechanism; and automatic means operating upon said coupling mecha nism to separate the tray from the driving mechanism tolimit the extent of travel of the tray;

15. The combination With a feed board for supporting a lift of sheets; of a tray for disposition beneath a lift and movable longitudinally ofthe feed board; driving mechanism for moving said tray longitudinally of the feed board; mechanism I coupling said tray and driving. mechanism; and automatic means coupling mcchanism to separate the tray from thedriving mechanism to limit the extent of travel of. the tray. 7

16. The combination with a" feed board for snpporting a liftof sheets; of a tray for disposition'beneath a lift and movable lon-,

gitudinally of the feed board; step byst-epf operating upon said' for separably 7 driving mechanism for moving said tray; f

longitudinally of the feed board step by step; mechanism for separably coupling,

tiavel of the tray. I 17 The combination with. ;a, feed board 'for supporting alift of sheets; of a tray forv disposition beneath a lift and movable lon-Q gitudinallyof the feed board; driving mech:v anism" for moving said tray longitudinally ofthefeed board and located besidethe tray; mechanism for separably coupling said tray and drivingmechanism'; and .au- V ton aticmeans' operatingupon said counismto limit the extent of travel of the tray.

19. The combination With a feed board for supporting a lift of sheets; of a tray for disposition beneath a lift and movable longitudinally of the feed board; mechanism for moving the tray forwardly; mechanism for separably coupling said tray with said last mentioned mechanism; and mechanism mechanism to separate the tray from V :pling mechanismtoseparate the tray from 25 and'su'bsequently the higher side of said i for supporting a connection with said coupling mechanism to uncouple said tray" from said first men-- tionedmechanismlipon the actuation of the same. I

pThe combination With a feed board gitudin'ally of the feed board; mechanism for moving the tray forwardly';"mechanism Y for separably coupling said tray with said last, 'r'nentioned mechanism; and mechanism.

for movin the; tray'erearwardly and-halvingcon'nection with sand coupling'mechanism to unconple said tray from saidfir s t mentioned mechanism upon the initial actuation thereof to'rnove said tray rearWa-rdly 2 1. The combination With'a feed board for' supporting a lift of sheets; of a tray for disposition be'neath a lift and" movable 1011- git1idin'allyof the feed board; clamping mechanism including a clamping member which; in unclamping position; is higherat one side of the structure than at the other clamping member:

and-means for positioning the lower' side earl-1e eombination with, a feed board forsnpporti ng a lift of sheets; of

7 a tray for disposition beneatha lift and movablebn gitudinal'ly able'and of a sizeenabling" anattendant to enter the same.

ing upwardly inclined at its rear end 'i'j'elaf tiV'ely to its movement, to provide space be neath the same into which anotherlift ay of said tray,

be inserted;

24;, The combination with a feed. tar-(1 for supporting a lift of sheets; of a tray for disposition beneathalift and movable lon feed board, the rear end gitudinally of the.

relatively to? its movement; being' spaced from-the feed board to new another lift to be inserted thereunder.

25; The: combination With a feed board?" for supporting a lift of sheets of a tray for disposition beneath a lift and movable 1on gitiidinally of the"v feed board, another lift being-insertible beneath the-tray; andmeans of the" for obstructing forward movement fotsupport-ing w ionbeneath a lift and movable-"10m giti of the; feed beard; and-means lift of sheets; of a tray for disposition" beneath a lift and m'ovab1e-lon"-- lift has been inserted of the feed board; there being} an'open space over "which the tray is: mow

neath' the tray.

tray were: such other lift" is bein inserted thereunder;

2.6. The combination with a "feedboard are t for 'nioying thetray rearwardlyaftef suchother" hf-thas been inserted thereunder.

27. The combinatiemW'th board for supporting liftof sheetsf'jofa t yf dispositioirbeneath a lift an, moi gitndinall? of th' feee' boereg a t r" lift being insertible beneath the tray; meansfor obstructing-f er "retirement of thewray being insertedthereseeering sheets" of gitiifdin'alfy of' the fe boa moving the tray rearward 1y a 1. 4 -5 ft ersilch other" v forsupportiing' a lift o fis'heets :ofatrry for j hereunder and me'ans lift of sheets; ra tray for dispositionbeneath a 1i ft"arid;movab1e' 1011- V giurdinally of thje' feee heard; I b'eing'i'nsertible b neath the t ay; me roller mechanis another lift connecte with the m and 10'- c'atedto tum upon a liftbeing inserted be- 3,0: The-combination mega reed boar I f s pp rting lift of; sheets yer a" tray for i t a d) movabieiqn r disposition beneath" a; I gitudinall-y' of,. fih6" feed; board, 'anothefi lift loeir'ggg; fins'erti catei m tern up'en? a; lift beiiig inserted be ble -bene'aith; the tray; roller" mechanism connected with the tray end- 10 f 7 forward movement" of the tray while. such other lift is being insertedbeneathtray. 31". The" fcombiii'atiorii th" {a feed board for supporting a lift} ofs he'et 's :of"a' gituelinelly'ofthe feedbeerd means cenneet w tray-for the ed with the tray avits ends 3501* pullmg'the -z tray reafwaifd'lf; and

my i me t i'i's eignereay err-emery A519; 191; V

RQBERT 7 means whereby the pulls effected thepnllingmeans upon. the

I ends of the tritiaresubstantially equalized. Y In witness whereef-;* I"her 1-mto? subscribe- 

